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Xi Liu — most-cited papers & profile · Robotics
← authors
·
overview
Xi Liu
20
papers ·
17
citations ·
18
h-index
Meta (United States)
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Semantic Scholar ↗
OpenAlex ↗
Most-cited papers
Reward Biased Maximum Likelihood Estimation for Reinforcement Learning
2020 · 6 citations
Escaping from Zero Gradient: Revisiting Action-Constrained Reinforcement Learning via Frank-Wolfe Policy Optimization
2021 · 3 citations
The Efficiency vs. Accuracy Trade-off: Optimizing RAG-Enhanced LLM Recommender Systems Using Multi-Head Early Exit
2025 · 2 citations
Developing Multi-Task Recommendations with Long-Term Rewards via Policy Distilled Reinforcement Learning
2020 · 2 citations
Developing Multi-Task Recommendations with Long-Term Rewards via Policy Distilled Reinforcement Learning
2020 · 2 citations
Adaptive Neighboring Selection Algorithm Based on Curvature Prediction in Manifold Learning
2017 · 1 citations
AdaTT: Adaptive Task-to-Task Fusion Network for Multitask Learning in Recommendations
2023 · 1 citations
Adversarial Prompts for Acceptance Collapse in Speculative Decoding
2026
Cross-Domain Policy Optimization via Bellman Consistency and Hybrid Critics
2026
Generative Reasoning Re-ranker
2026
Enhancing Offline Model-Based RL via Active Model Selection: A Bayesian Optimization Perspective
2025
Q-Pensieve: Boosting Sample Efficiency of Multi-Objective RL Through Memory Sharing of Q-Snapshots
2022
Coordinate Ascent for Off-Policy RL with Global Convergence Guarantees
2022
InterFormer: Effective Heterogeneous Interaction Learning for Click-Through Rate Prediction
2024
Wukong: Towards a Scaling Law for Large-Scale Recommendation
2024
Top co-authors
Feng Luo
· 1
Yi Zhu
· 1
Zhi-Qi Cheng
· 1
Topics
Ranking & CTR
Policy Gradient
Model-Based RL
Value-Based
LLM-based
Offline RL
Efficiency
Training Techniques
Two-Tower & Retrieval
Graph-based